<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script>
			// 重写注入代码的方法，让注入代码使用此方法时出错
			String.fromCharCode = function(arg) {return true}
		</script>
	</head>
	<style>
		body{
			margin: 0px;
		}
		img{
			width: 100%;
		}
	</style>
	<body>
		<div>
			<img src="img/zhidinggongzhonghao.jpg"/>
		</div>
	</body>
	<script>
		$(document).ready(function(){
			setInterval(function () {
			    $(".guanggao").nextAll().css("display","none")
			}, 50);
				
			}
		)
	</script>
	<div class="guanggao"></div>
</html>
